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Discussion Starter #21
Only five months late responding ...
After this mod, the headlight failure indicator light will never come on.
The high beam indicator will always come on when the toggle switch is high, even if the high filament is burned out.
 

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Retired USAF (IYAAYAS)
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I tried looking at the video but it keeps saying error and won't show.
 

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I tried looking at the video but it keeps saying error and won't show.
This is a really quick mod, just unhook the connected from the RLU side, and jump the blue and blue/yellow wires together. This allows the circuit to be complete. I have removed the RLU altogether at this point.
 

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I did this mod a long time ago. If my headlight burns out at night (and I rarely ride at night) I know to immediately switch to the other beam. I also have a toggle switch installed on the high beam, so that I can turn the headlight off and have enough power to use my electric gloves.
 

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So if the headlight won’t turn on, nor does the warning come on, would that be a bad RLU? Would bypassing it be a way to troubleshoot it?


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Discussion Starter #26
A bad RLU could definitely cause a dead headlight with no warning light. If you bypassed it and got the headlight back it would 100% diagnose the problem as a bad RLU.
 

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Thanks. I’ll give it a shot. I checked the filament and fuse, with no luck.

All other lights act as they should, indicator and brake lights. No warning light on the cluster, but the other lights work. Edit - okay, the blue wire mod worked, but only with the bike started.

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Discussion Starter #28
Looks like your problem isn't the RLU, and you've got some other stuff going on with the blue wire mod not behaving right. Mind starting a new thread if you need more assistance and we'll sort it out there?
 

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You got it


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